If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A ball of glass will bounce higher than a ball made of rubber.
73
The smell of freshly cut grass is actually a plant distress call.
31
Scientists aren't sure what color dinosaurs were.
312
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Neanderthal man had a brain capacity 100cc larger than modern man's.
50